I play hand drums. I do wrist curls. They are small little exercises, but help me keep my wrist and forarm strength. I rest my arm on someth6ung, with my hands extended past the end (like arm of my couch ), palms down, I hold small dumbells and pull my hands up (like the motion of revving a motorcycle) I do as many as I can, to failure.

I think you should try pushups or yoga. see yoga can give you a permanent solution of your problem and if you try pushhups then you need to continue it for life time. You can try different articles or videos on yoga which is easily available on internet.